Professional runners have a higher than normal density. A study that was held at Erlangen University, Germany.
Showed the average professional measured density was 1,246mg per sq cm.
Were as non runners held an average of 1,138mg per sq cm, bone density.
Over a 100mg per sq cm, increase in the professional runners density.
This is a high gain all in all, running is a great sport to start up at young or middle age to combat against osteoporosis.
Osteoporosis can be more common problem for women in their late fifties early sixties. Lots of good osteogen is lost through the menstrual cycle, osteogen cells are most important to the formation of bone density.